Spire Installed on World Trade Center

Spectacular Views From Atop the World Trade Center

Ironworkers at One World Trade Center look on as the final flag-draped section of spire is hoisted to the top of the building.

Courtesy WTC Progress

Spectacular Views From Atop the World Trade Center

Ironworkers at One World Trade Center look on as the final flag-draped section of spire is hoisted to the top of the building.

Courtesy WTC Progress

Spectacular Views From Atop the World Trade Center

The final piece of the spire, raised to the top of One World Trade Center, sits next to the already installed sections. When it is fully installed on the building?s roof, it will bring the iconic structure to its full, symbolic height of 1,776 feet.

Courtesy WTC Progress

Spectacular Views From Atop the World Trade Center

One World Trade Center stands at its full height above the New York City skyline in this view from the Heights neighborhood of Jersey City, N.J., May 10, 2013. A 408-foot spire was set into place at the top of the structure Friday, making the building a symbolic 1,776 feet tall.

Julio Cortez/AP Photo

Spectacular Views From Atop the World Trade Center

Workers pose for a photo prior to raising the silver spire atop the 1 World Trade Center building in New York, May 10, 2013. The 408-foot spire will serve as a world-class broadcast antenna. An LED-powered light emanating from it will be seen from miles away. When it is fully installed on the building's roof, it will bring the iconic structure to its full, symbolic height of 1,776 feet.

Mark Lennihan/AP Photo

Spectacular Views From Atop the World Trade Center

The WTC construction site is seen on April 30, 2013.

Courtesy WTC Progress

Spectacular Views From Atop the World Trade Center

Nerves of steel! Workers install windows at One World Trade Center, March 6, 2013, in New York.

Courtesy WTC Progress

Spectacular Views From Atop the World Trade Center

Manhattan is seen from One World Observatory from the 100th floor of One World Trade Center at the Ground Zero site, April 2, 2013, in New York City. One World Observatory, which is situated more than 1,250 feet over lower Manhattan, will open to the public in 2015 and will include a pre-show theater, multiple spaces that allow for panoramas of the New York City region and numerous dining options.

Spencer Platt/Getty Images

Spectacular Views From Atop the World Trade Center

A member of the media takes a photograph of the Manhattan skyline from the unfinished observation deck on the 100th floor of the One World Trade Center building, April 2, 2013.

Richard Drew/AP Photo

Spectacular Views From Atop the World Trade Center

David Samson, chairman of the Port Authority of New York and New Jersey, speaks during a media tour of the One World Trade Center observation deck in New York City, April 2, 2013. The observation deck at One World Trade Center will occupy the tower's 100th-102nd floors. Guests visiting the observation deck will see a "pre-show" about the creation of the building while waiting in line in the lobby.

Victor J. Blue/Bloomberg/Getty Images

Spectacular Views From Atop the World Trade Center

A passenger rides an elevator to the 100th floor of One World Trade Center during a media tour in New York City, April 2, 2013. The observation deck at One World Trade Center is expected to open in 2015. Elevators will whisk visitors to the top in just one minute but the experience of visiting the attraction will take an hour.

Victor J. Blue/Bloomberg/Getty Images

Spectacular Views From Atop the World Trade Center

The Manhattan skyline is seen from the One World Trade Center observation deck in New York City, April 2, 2013.

Victor J. Blue/Bloomberg/Getty Images

Spectacular Views From Atop the World Trade Center

A view of Manhattan, looking south, is seen from the One World Trade Center observation deck in New York City, April 2, 2013.

Victor J. Blue/Bloomberg/Getty Images

Spectacular Views From Atop the World Trade Center

Members of the Port Authority Police stand near the windows in the One World Observatory from the 100th floor of One World Trade Center, April 2, 2013, in New York City.

Spencer Platt/Getty Images

Spectacular Views From Atop the World Trade Center

Pedestrians cross the street in lower Manhattan as seen from One World Observatory from the 100th floor of One World Trade Center at the Ground Zero site, April 2, 2013, in New York City.

Spencer Platt/Getty Images

Spectacular Views From Atop the World Trade Center

A view of Upper Manhattan from the One World Observatory deck during a media presentation, April 2, 2013, in New York City. Officials from The Durst Organization, Legends Hospitality LLC and The Port Authority of New York & New Jersey gave a tour of the observation deck on the 100th floor of One World Trade.